<h2>Plan view:</h2>
Enter X for center point.
Range is 0.0 to 1.0, 0.5 is normal.

<h2>Cross-section:</h2>
Enter X for waypoint (0.0 <= x < 1.0) OR I for waypoint in gridpoints (e.g. 50).
<p>
For latitude append with the letter "l" (e.g. 40.0l)

<h2>Sounding or All-Sky:</h2>
Enter I for sounding location in gridpoints (e.g. 50)
<p>
For latitude append with the letter "l" (e.g. 40.0l)

<h2>All-Sky:</h2>
The height above ground level can optionally be added with this syntax (40.0l,20.)
